It seemed odd - particularly given that there were cameras trained on them at the time. But what did this one handshake tell us about the apparent frostiness between The Gunners' two key men?

We asked TV body language expert Judi James to tell us…

"Like a cat stalking a mouse" (Image: Action Images via Reuters)

"There's something of the cat stalking a mouse about this handshake as Sanchez spots his boss lurking pitch-side. He toys with the ball before finally ambling over to perform what should be a bonding ritual in front of the cameras.

"A cat will do what's called an act of distraction before pouncing on its prey, pretending to clean a paw or play with something else to lull its victim into a sense of false security… just as Sanchez seems to do with Wenger here.

"Sanchez is in the more dominant role" (Image: Action Images via Reuters)

"It's Sanchez who instigates the shake, placing him in a more dominant role. However, any ideas of a warm reconciliation are dashed as the pair shake from the longest possible distance (the words 'touch' and 'bargepole' come to mind!), and Wenger manages to keep his free hand stuffed in his pocket to suggest a desire to hide or conceal his true thoughts.

"This shake does look like an awkward ritual that is performed for the cameras rather than a show of 'let's put it all behind us and play together nicely' rapport. The difference is highlighted by the genuinely warm shake Wenger gets from the next player that involves the kind of proximity and back-patting that was missing from the Sanchez shake."